Code 230-0480: Max. compensation value %2 reached in axis %1
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Max. compensation value %2 reached in axis %1 alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
[Cause of error] The value for the kinematic compensation at the axis has exceeded the maximum permissible value. The compensation is set to the maximum value. The warning is deleted as soon as the value falls 0.1 mm below the maximum value. Both the kinematic temperature compensation and the compensation via KinematicsComp (software option) go into the kinematic compensation. [Error correction] - Check calculation of compensation values, and correct if required - Check and the PLC variables and tables going into the compensation and correct them if necessary - Inform your service agency
Source: HEIDENHAIN NC Error Messages — TNC7/640/620/320/128, CNC PILOT 640, MANUALplus 620 (10/2023)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Heidenhain TNC Series CNC Alarms
Heidenhain controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 230-0480 on the TNC Series CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Heidenhain's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 4497 Heidenhain TNC Series CNC codes.
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